42030342042 has 32 divisors (see below), whose sum is σ = 91050196608. Its totient is φ = 12857654976.

The previous prime is 42030342001. The next prime is 42030342047. The reversal of 42030342042 is 24024303024.

42030342042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (42030342047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1543878 + ... + 1570865.

It is an arithmetic number, because the mean of its divisors is an integer number (2845318644).

Almost surely, 2^42030342042 is an apocalyptic number.

42030342042 is an abundant number, since it is smaller than the sum of its proper divisors (49019854566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42030342042 is a wasteful number, since it uses less digits than its factorization.

42030342042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3114934.

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 42030342042 its reverse (24024303024), we get a palindrome (66054645066).

The spelling of 42030342042 in words is "forty-two billion, thirty million, three hundred forty-two thousand, forty-two".